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patient's age. To change the patient age “long-press” to the RIGHT button of the
joystick and follow the instructions in the 2WIN display.
• Instruct the patient to keep his/her eyes wide open, clear of eyelids or eyelashes, and
to fixate the centre of the camera. Hold the 2WIN horizontally with both hands,
approximately at the same height of the patient’s eyes, and at a distance of 1 meter.
• Press and hold the START button to enter the focusing phase.
• Center the eye / eyes of the patient in the active display within the blue rectangle
(measurement area)
Screen examination – blurred, not in focus. Adjust the distance from the patient
• Adjust the distance to focus the image until the top bar is green and the focusing
indicator based on corneal reflex shape appears in the centre of the screen.
• When the top bar is PERMANENTLY green and the focusing indicator (in the center
of the image) reaches the highest peak (as shown in the following photo) release the
BUTTON S1/S2.
Examination screen – focus OK
• Stay firmly in the condition in which the upper bar is green and the focusing indicator
is sharp until the message DATA PROCESSING appears on the display.
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